I’m interested but already have an activity that evening. Will there be some posted summary?
> On Feb 25, 2015, at 10:33 AM, Aaron Falk <[email protected]> wrote: > > There has been long term and increasing interest in deploying transport > protocols with alternate dynamics and behaviors to TCP and UDP. The IETF has > standardized several new protocols including DCCP, UDP-lite, SCTP and several > changes to TCP including ECN and LEDBAT. All of these new technologies have > resulted in deployment challenges blamed on intentional and unintentional > interference by middleboxes such as NATs and firewalls. This has lead to > approaches such as building new protocols over UDP or HTTP to make traffic > look like something a middlebox would expect. However, both these approaches > have shortcomings and a variety of ameliorating engineering approaches are > being considered [1], [2], [3]. > > What is missing is a study with more than anecdotal evidence of the nature of > the problem and the portions of the network in which it manifests. One of the > best analyses to date is [4] which measures from a very small number of > locations: 49 residential, 17 enterprise, and 142 locations in total. In the > interest of getting ground-truth data about the nature of the problem, we are > organizing an informal effort starting with a meeting (BarBoF) at the March > IETF in Dallas to coordinate with network stack, browser, and middlebox > vendors, as well as network and service operators, on collecting and > reporting statistics about middlebox impact on transport sessions. The > objective is to determine a set of measurements that can be made as a side > effect of the normal operation of the networking stack, and a reporting > format that provides some visibility into the scope and nature of middlebox > impact while addressing end-user privacy and business confidentiality > concerns. > > The BarBoF meeting will be Sunday evening (March 22nd). Time & location to > be announced on the mailing list [5]. > > This activity is an outcome of the recent IAB workshop on Stack Evolution in > a Middlebox Internet [6]. > > Please forward to anyone interested in participating. > > -------- > > [1] IETF Transport Services Working Group (TAPS) > > [2] IAB Stack Evolution Program > > [3] Session Protocol for User Datagrams (SPUD) Prototype > > [4] M. Honda, Y. Nishida, C. Raiciu, A. Greenhalgh, M. Handley, and H. > Tokuda. Is it still possible to extend tcp? In Proc. ACM IMC, 2011. > > [5] Subscription link to HOPS mailing list. > > [6] IAB SEMI Workshop > > > _______________________________________________ > Taps mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/taps
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